WordPress User Registration plugin <= 5.2.6 - Broken Authentication vulnerability

published 2026-08-18 2 mo ago modified 2026-10-22 17 d ago also EUVD-2026-60809

cvss: 5.4; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 30%
public exploits: 0; none known

Subscriber Broken Authentication in User Registration <= 5.2.6 versions.

Patch / fix

fixed in 1

wpeverest User Registration 5.2.7

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 2 mo ago (2026-08-18)

Exploit prediction

0.36% chance of exploitation in the next 30 days, higher than 30% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	5.4	CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:L/A:L

Affected products

wpeverest User Registration

Classification

Weakness

CWE-290 Authentication Bypass by Spoofing

Technology feeds

WordPress rss critical rss

References

patchstack.com /database/wordpress/plugin/user-registration/vulnerability/wordpress-user-registration-plugin-5-2-6-broken-aut
vdb-entry

Sources

CVE List CVE-2026-73995
NVD CVE-2026-73995

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.

Summary